New Delhi, Nov. 12 -- New Delhi's air quality was hazardous on Thursday morning, November 12. The live dashboard on AQI.in showed an Air Quality Index of 597 at 8:11 AM local time. The figure was on the US AQI scale shown in the dashboard. New Delhi ranked 17th among the world's most polluted cities. The dashboard showed a PM2.5 concentration of 374 micrograms per cubic metre. The PM10 concentration was 394 micrograms per cubic metre. The weather panel listed smoke and a temperature of 22degC. Humidity was 57% and wind speed was 4.7 km/h. The panel showed a UV index of 0.6. The dashboard's scale puts readings of 301 and above in the hazardous category.

The 24-hour chart showed Delhi's AQI rising sharply overnight after dropping on Wednes...